А)(4×4 + 8×8) - 10 = (16 + 64) - 10 = 80 - 10 = 70.
(10×10 + 9×9) + 220 = (100 + 81) + 220 = 181 + 220 = 401
7х7 + 9х9 + 3х3 = 49 + 81 + 9 = 139
1 х (10х10 + 7х7) = 1 х (100+49) = 149
9×9 - 3×3 + 7×7 = 81 - 9 + 49 = 121
2×2 + (1000 - 9×9) = 4 + (1000 - 81) = 4 + 919 = 923
А)(4×4 + 8×8) - 10 = (16 + 64) - 10 = 80 - 10 = 70.
(10×10 + 9×9) + 220 = (100 + 81) + 220 = 181 + 220 = 401
7х7 + 9х9 + 3х3 = 49 + 81 + 9 = 139
1 х (10х10 + 7х7) = 1 х (100+49) = 149
9×9 - 3×3 + 7×7 = 81 - 9 + 49 = 121
2×2 + (1000 - 9×9) = 4 + (1000 - 81) = 4 + 919 = 923